Time Difference Between Central Time and London
As of 31 August 2026, London is 6 hours ahead of Central Time. That number is not constant. Over the course of a year, because of daylight saving changes, London, United Kingdom ranges from 5 hours ahead to 6 hours ahead relative to Central Time, United States. The calculator below is always up to date.
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Central Time, United States
17:34
Mon, Aug 31, 2026
UTC-5 · CDT · America/Chicago
London, United Kingdom
+6h23:34
Mon, Aug 31, 2026
UTC+1 · Europe/London
London is 6 hours ahead of Central Time.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| Central Time | Monday, August 31, 2026 | CDTAmerica/Chicago | UTC-5 | Active now |
| London | Monday, August 31, 2026 | Europe/London | UTC+1 | Active now |
Central Time: Covers Chicago, Dallas, Houston and most of the middle of the country. Switches between CST (UTC-6) and CDT (UTC-5) with daylight saving.
Hour by hour: Central Time to London
Every hour of today in Central Time and what it is in London. Highlighted rows fall inside London working hours (09:00–18:00).
| Central Time | London |
|---|---|
| 00:00 | 06:00 |
| 01:00 | 07:00 |
| 02:00 | 08:00 |
| 03:00 | 09:00 |
| 04:00 | 10:00 |
| 05:00 | 11:00 |
| 06:00 | 12:00 |
| 07:00 | 13:00 |
| 08:00 | 14:00 |
| 09:00 | 15:00 |
| 10:00 | 16:00 |
| 11:00 | 17:00 |
| Central Time | London |
|---|---|
| 12:00 | 18:00 |
| 13:00 | 19:00 |
| 14:00 | 20:00 |
| 15:00 | 21:00 |
| 16:00 | 22:00 |
| 17:00 | 23:00 |
| 18:00 | 00:00next day |
| 19:00 | 01:00next day |
| 20:00 | 02:00next day |
| 21:00 | 03:00next day |
| 22:00 | 04:00next day |
| 23:00 | 05:00next day |
Best time to call or meet
Overlapping working hours
09:00–12:00 in Central Time (15:00–18:00 in London)
Both places are inside 09:00–18:00 for 3 hours a day. Anything in this window works without asking anyone to stay late.
Reasonable calling hours
08:00–15:00 in Central Time (14:00–21:00 in London)
Both people are awake and available between 08:00 and 21:00 local time during this window.
When this difference changes
London puts its clocks back on Sunday, October 25, 2026
The local offset moves from UTC+1 to UTC. After that date, London is 5 hours ahead of Central Time — instead of 6 hours ahead, as it is today.
Central Time puts its clocks back on Sunday, November 1, 2026
The local offset moves from UTC-5 to UTC-6. The gap between Central Time and London stays at 6 hours because both places change at the same time.
Planning something with more than two places?
Adding a third city usually kills the obvious answer. The Meeting Time Finder takes up to five cities at once and shows only the hours that work for everybody.
Central Time and London: common questions
What is the time difference between Central Time and London?
As of 31 August 2026, London is 6 hours ahead of Central Time. The gap is not fixed: across the year, London ranges from 5 hours ahead to 6 hours ahead relative to Central Time, as clocks change. The calculator on this page always shows the difference for right now.
When it is 9:00 AM in Central Time, what time is it in London?
It is 03:00 PM in London, United Kingdom. Use the time field in the calculator above to check any other hour.
Is London ahead of or behind Central Time?
London is ahead of Central Time by 6 hours at the moment. In practical terms, the working day in London starts and ends earlier in Central Time terms.
Do Central Time and London observe daylight saving time?
Both Central Time and London change their clocks, but not on the same dates. That is why the gap is not fixed: across the year, London ranges from 5 hours ahead to 6 hours ahead relative to Central Time.
What is the best time to call London from Central Time?
Working hours overlap between 09:00 and 12:00 Central Time time, which is 15:00 to 18:00 in London. Calls inside that window reach both sides during the normal working day.
Related comparisons
Local dates shown for Central Time, United States (UTC-5) and London, United Kingdom (UTC+1) were generated on Monday, August 31, 2026 UTC and refresh in your browser.